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R Asero, M Piantanida, V Pravettoni
Background. Follow-up data about the onset of novel food allergies in patients allergic to lipid transfer protein (LTP) are missing. We investigated the occurrence of novel allergies over time in LTP hypersensitive patients. Methods. Sixty-seven LTP-allergic patients recommended to avoid foods responsible for systemic reactions and encouraged to eat other sensitizing foods avoiding the association with known co-factors, were re-evaluated after ≥ 1 year to assess the occurrence of allergy to novel foods. IgE to rPru p 3, rBet v 1, and r Phl p 12 were measured...
February 16, 2018: European Annals of Allergy and Clinical Immunology
Jarkko Mäntylä, Tuuli Thomander, Auli Hakulinen, Kaarina Kukkonen, Kati Palosuo, Helena Voutilainen, Anna Pelkonen, Paula Kauppi
INTRODUCTION: The standard care of severe food allergy in both adults and children means avoidance of allergens. In recent years promising results of oral immunotherapy (OIT) have been reported in children. In adults, information on OIT in severe food allergy is very limited. OBJECTIVE: We aimed to study if OIT is possible in adults. METHODS: We report OIT results in 10 adult patients with milk OIT, nine adult patients with peanut OIT, and four adult patients with egg OIT...
March 15, 2018: Immunity, Inflammation and Disease
S M Hayen, A M Ehlers, C F den Hartog Jager, J Garssen, E F Knol, A C Knulst, W Suer, L E M Willemsen, H G Otten
BACKGROUND: Screening for specific IgE against 2S albumin proteins Ara h 2 and 6 has good positive predictive value in diagnosing peanut allergy. From the third 2S member Ara h 7, three isoforms have been identified. Their allergenicity has not been elucidated. OBJECTIVE: This study investigated the allergenicity of Ara h 7 isoforms compared to Ara h 2 and 6. METHODS: Sensitization of 15 DBPCFC confirmed peanut allergic patients to recombinant Ara h 2...
March 14, 2018: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
Danielle Perry, Adrienne J Lindblad, Bonnieca Islam, Christina Korownyk
No abstract text is available yet for this article.
March 2018: Canadian Family Physician Médecin de Famille Canadien
Sajal Shrivastava, Won-Il Lee, Nae-Eung Lee
A critical unmet need in the diagnosis of bacterial infections, which remain a major cause of human morbidity and mortality, is the detection of scarce bacterial pathogens in a variety of samples in a rapid and quantitative manner. Herein, we demonstrate smartphone-based detection of Staphylococcus aureus in a culture-free, rapid, quantitative manner from minimally processed liquid samples using aptamer-functionalized fluorescent magnetic nanoparticles. The tagged S. aureus cells were magnetically captured in a detection cassette, and then fluorescence was imaged using a smartphone camera with a light-emitting diode as the excitation source...
March 6, 2018: Biosensors & Bioelectronics
Youmei Wang, Minghua Lu, Dianping Tang
A new photoluminescence (PL) enzyme immunoassay was designed for sensitive detection of aflatoxin B1 (AFB1 ) via an innovative enzyme substrate, 6-aza-2-thiothymine-stabilized gold nanocluster (AAT-AuNC) with L-arginine. The enzyme substrate with strong PL intensity was formed through supramolecular host-guest assembly between guanidine group of L-arginine and AAT capped on the surface of AuNC. Upon arginase introduction, the captured L-arginine was hydrolyzed into ornithine and urea, thus resulting in the decreasing PL intensity...
March 5, 2018: Biosensors & Bioelectronics
Paul J Turner, Dianne E Campbell, Robert J Boyle, Michael E Levin
Given the prevalence and impact of childhood food allergy, there is increasing interest in interventions targeting disease prevention. Although interventions such as early introduction of dietary peanut have demonstrated efficacy in a small number of well-conducted randomized clinical trials, evidence for broader effectiveness and successful implementation at a population level is still lacking, although epidemiological data suggest that such strategies are likely to be successful, at least for peanut. In this commentary, we explore the issues of translating evidence of efficacy studies (performed under optimal conditions) to make policy recommendations at a population level, and highlight potential benefits, harms, and unintended consequences of making population-based recommendations on the basis of randomized controlled trials...
March 2018: Journal of Allergy and Clinical Immunology in Practice
Matthew Greenhawt, Edmond S Chan, David M Fleischer, Allison Hicks, Rachel Wilson, Marcus Shaker, Carina Venter, David Stukus
BACKGROUND: Recent guidelines recommend early peanut introduction (EPI) beginning around 4-6 months in infants with either severe eczema and/or egg allergy, and around 6 months for all other infants. Caregiver preferences for such practices are unkown. METHODS: We explored preferences for EPI and in-office allergy risk assessment (IRA) through a nationally-representative survey of expecting (n=1000) and new caregivers of infants < 1 year (n=1000). RESULTS: Among a primarily female (99...
March 7, 2018: Annals of Allergy, Asthma & Immunology
Amy M Scurlock, Stacie M Jones
Advances in food allergy diagnosis, management, prevention and therapeutic interventions have been significant over the past two decades. Evidence based national and international guidelines have streamlined food allergy diagnosis and management, while paradigm shifting work in primary prevention of peanut allergy has resulted in significant modifications in the approach to early food introduction in infants and toddlers. Innovative investigation of food allergy epidemiology, systems biology, impact, and management has provided important insights...
March 7, 2018: Journal of Allergy and Clinical Immunology
Zohre Kurt, Marco Minoia, Jim C Spain
Resveratrol is among the best-known secondary plant metabolites because of its antioxidant, anti-inflammatory and anticancer properties. It also is an important allelopathic chemical widely credited with protection of plants from pathogens. The ecological role of resveratrol in natural habitats is difficult to establish rigorously because it does not seem to accumulate outside of plant tissue. It is likely that bacterial degradation plays a key role in determining the persistence, and thus the ecological role, of resveratrol in soil...
March 9, 2018: Applied and Environmental Microbiology
Geromy G Moore, Brian M Mack, Shannon B Beltz, Olivier Puel
BACKGROUND: Aspergillus arachidicola is an aflatoxigenic fungal species, first isolated from the leaves of a wild peanut species native to Argentina. It has since been reported in maize, Brazil nut and human sputum samples. This aflatoxigenic species is capable of secreting both B and G aflatoxins, similar to A. parasiticus and A. nomius. It has other characteristics that may result in its misidentification as one of several other section Flavi species. This study offers a preliminary analysis of the A...
March 9, 2018: BMC Genomics
Feng Cui, Na Sui, Guangyou Duan, Yiyang Liu, Yan Han, Shanshan Liu, Shubo Wan, Guowei Li
HIGHLIGHTS Metabolites and transcripts related to plant physiology in salt stress conditions, especially to the recovery process were disclosed in peanut. Peanut ( Arachis hypogaea L.) is considered as a moderately salt-sensitive species and thus soil salinity can be a limiting factor for peanut cultivation. To gain insights into peanut plant physiology in response to salt stress and alleviation, we comprehensively characterized leaf relative electrolyte leakage (REC), photosynthesis, leaf transpiration, and metabolism of plants under salt stress and plants that were subjected to salt stress followed by salt alleviation period...
2018: Frontiers in Plant Science
Rajia Bahri, Adnan Custovic, Peter Korosec, Marina Tsoumani, Martin Barron, Jiakai Wu, Rebekah Sayers, Alf Weimann, Monica Ruiz-Garcia, Nandinee Patel, Abigail Robb, Mohamed H Shamji, Sara Fontanella, Mira Silar, E N Clare Mills, Angela Simpson, Paul J Turner, Silvia Bulfone-Paus
BACKGROUND: Food allergy is an increasing public health issue and the commonest cause of life-threatening anaphylactic reactions. Conventional allergy tests assess for the presence of allergen-specific IgE, significantly overestimating the rate of true clinical allergy resulting in over-diagnosis and adverse impact on health-related quality of life. OBJECTIVE: To undertake initial validation and assessment of a novel diagnostic tool, the mast cell activation test (MAT)...
March 5, 2018: Journal of Allergy and Clinical Immunology
Xiaoji Fu, Shengping Xing, Huiwei Xiong, Hua Min, Xuejing Zhu, Jialin He, Jianxiong Feng, Honglei Mu
In order to obtain optimum packaging materials for peanut kernels, the effects of four types of packaging materials on peanut storage quality (coat color, acid value, germination rate, relative damage, and prevention of aflatoxin contamination) were examined. The results showed that packaging materials had a major influence on peanut storage quality indexes. The color of the peanut seed coat packaged in the polyester/aluminum/polyamide/polyethylene (PET/AL/PA/PE) composite film bag did not change significantly during the storage period...
2018: PloS One
Vanessa Lopes Muñoz
Developing robust explanations for patients' non-adherence to medical treatments is a pressing clinical concern. Social scientists have emphasised the importance of taking a 'patient-centred' approach to the study of illness management. Using data from a qualitative study of the management of children's food allergies, I found that school nurses created what I term collective adherence - the translation of individual medical recommendations into prescriptions to be followed by entire communities. School nurses secured collective adherence by aligning physicians, schools, and families around a particular interpretation of medical recommendations, setting guidelines of behaviour for the entire school community to follow, and balancing the diverging needs of illness sufferers and non-illness sufferers...
March 8, 2018: Sociology of Health & Illness
Padmavathi A V Thangella, Srinivas N B S Pasumarti, Raghu Pullakhandam, Bhanuprakash Reddy Geereddy, Manohar Rao Daggu
Drought is a major constraint to the productivity of many crops affecting various physiological and biochemical processes. Seventy percent of the peanuts are grown in semiarid tropics that are frequently prone to drought stress. So, we analyzed its effect in 4 cultivars of peanut, with different degrees of drought tolerance, under 10 and 20 days of water stress using two-dimensional gel electrophoresis and mass spectrometry. A total of 189 differentially expressed protein spots were identified in the leaf proteome of all the 4 cultivars using PD Quest Basic software; 74 in ICGV 91114, 41 in ICGS 76, 44 in J 11 and 30 in JL 24...
March 2018: 3 Biotech
Jeeyoo Lee, Aesun Shin, Jae Hwan Oh, Jeongseon Kim
BACKGROUND: Nut consumption is known to reduce the risk of obesity, diabetes mellitus, and cardiovascular disease. However, in previous studies, portion sizes and categories of nut consumption have varied, and few studies have assessed the association between colorectal cancer risk and nut consumption. In this study, we investigated the relationship between nut consumption and colorectal cancer risk. METHODS: A case-control study was conducted among 923 colorectal cancer patients and 1846 controls recruited from the National Cancer Center in Korea...
March 7, 2018: Nutrition Journal
Yakui Li, Zhongchao Li, Hu Liu, Jean Noblet, Ling Liu, Defa Li, Fenglai Wang, Changhua Lai
Objective: The objective of this experiment was to determine the net energy (NE) content of full-fat rice bran (FFRB), corn germ meal (CGM), corn gluten feed (CGF), solvent-extracted peanut meal (PNM) and dehulled sunflower meal (SFM) fed to growing pigs using indirect calorimetry or published prediction equations. Methods: Twelve growing barrows with an average initial BW of 32.4 ± 3.3 kg were allotted to a replicated 3 × 6 Youden square design with 3 successive periods and 6 diets...
March 2, 2018: Asian-Australasian Journal of Animal Sciences
C Paugam, M Saint-Jean, L Colas, C Bernier, B Dréno
Isotretinoin is a common and effective retinoid drug that remains the gold standard for the treatment of severe acne. The package leaflet clearly mentions its contraindication in patients with peanut and/or soya allergy. As isotretinoin is solubilized in refined soya oil, it is contraindicated in patients with soya IgE mediated allergy. Because of possible cross-reactivity, concerns have been raised about giving the drug to patients presenting with peanut allergy. This article is protected by copyright. All rights reserved...
March 6, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
Rebecca J Mercier, Mei Kwan
OBJECTIVE:  To evaluate whether the use of a peanut ball device shortens the duration of active labor in nulliparas. STUDY DESIGN:  Single-site, nonblinded randomized trial in nulliparous women admitted for labor or labor induction. English-speaking women > 18 years of age with singleton pregnancies were enrolled. Participants were randomized to the use of peanut ball or usual care upon reaching the active phase of labor (≥ 6 cm cervical dilation) with an epidural...
March 6, 2018: American Journal of Perinatology
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